Page 1 of 8 007 Chevrolet Silverado 6.0L Eng 1500 Service Manual: WIRING DIAGRAMS - 1500 Print Date: DISTRIBUTION > 6.0L VIN Y Fig 1: 6.0L VIN Y, Power Distribution Circuit (1 of 5) ROOF-MOUNTED (EMERGENCY) LIGHTING END OF WRECKER ROOF BEACON ROOF BEACON EMERGENCY VEHICLE GARAGE DOOR OPENER (NO INFORMATION AVAILABLE) GARAGE DOOR OPENER FUSIBLE LINK 1 (14 GA- ) WRECKER CORNER OF ENGINE COMPT) BRAKE LER SOLID-STATE 1 L 0 5 4 B1 ROOF SUN BEACON ROOF ( (B) (A) 6 EMERGENCY VEHICLE EMERGENCY VEHICLE ROOF LAMP (A) ROOF BEACON (B) SUNROOF (A) (B) EMERGENCY DK GRN VEHICLE PROVISION (BLUNT CUT) RED ) DUAL STARTER FUSIBLE LINK 3 () () 1V / ROOF BEACON OR SUNROOF MEGA 175A C TO S/ROOF (SAME DIAGRAM) 1V GENERATOR FUSIBLE LINK (14 GA- ) HOLDER SIDE YE9 A PACKAGE TO PDM OF 5) YE9 B PACKAGE TO CTSY OF 5) W/1V / HOLDER SIDE MEGA MEGA MEGA 175A 1 W/1V BLOCK CORNER OF SIDE ENGINE COMPT) TO LBEC D OF 5) TO ECM-BATT E 3 OF 5) TO MBEC 1 G10 F FRONT OF ENGINE) 4 OF 5) STUD 65 STUD 1 70 SEO B1 54 SEO B 38 S/ROOF 35 ALC/ COMP 60 LGM 73 G TO /CRANK 5 OF 5) BRAKE PROVISION (BLUNT CUT) CAMPER/ FIFTH CAMPER/ FIFTH ( END OF C IGNIII (MAN A/C) (AUTO A/C) IGNIII IGNIII J414 TAKE-OFF ( %%U%%U-B1 (SAME DIAGRAM) BODY WINDSHIELD WASHER SOLVENT HEATER J09 J7 SLIDING WINDOW- WINDOW - DRIVER WINDOW - PASSENGER SUNROOF CAMPER/ FIFTH PROVISION (BLUNT CUT) A B A C B D BLOCK (MOBILE RADIO) (BEHIND RIGHT CONNECTOR SHOCK SENSOR INCLINATION SECURITY SENSOR INDICATOR LAMP G103 (FRONT OF RIGHT CYLINDER HEAD) J4 J19 J10 J11 LT GRN LT BLU MOBILE RADIO PROVISION (BLUNT CUT)

Page of 8 Fig : 6.0L VIN Y, Power Distribution Circuit ( of 5) FROM LGM 1 OF 5) D LBEC 74 LBEC 1 66 LTR 55 BLOCK SIDE DATA LINK CONNECTOR OUTLET (FRONT 1) OUTLET RIGHT (FRONT ) "B" PILLAR) G304 OUTLET (BIN) OUTLET (CONSOLE) OUTLET (CENTER ) FRONT CORNER OF ) G00 SOUND RIGHT "B" PILLAR) G304 BLOCK ( ( SIDE OF WPR PDM STOP LAMPS LT STOP TRN J03 (IN I/P HARNESS, 13 CM FROM RADIO CONNECTOR BREAKOUT) IS LPS OBS DET AUX PWR AUX PWR SOUND SOUND SOUND J304 (IN BODY HARNESS, 14 CM FROM PASSENGER IN-LINE CONNECTOR BREAKOUT) A FROM ( %%U%%U-L 1 OF 5) END OF ( SIDE OF W/ CONSOLE CONSOLE BODY (BCM) OBJECT SENSOR EDITION EDITION PASSENGER DOOR (PDS) CREW CAB W/ INDIVIDUAL FRONT S LOCKS W/O AUTOMATIC LOCK/ UNLOCK LOCK UNLOCK LT DR CIRCUIT BREAKER UNLCK 1 LCK 1 LCK LCK 1 UNLCK 1 UNLCK DVR UNLCK YE9 PACKAGE W/O YE9 PACKAGE AUTOMATIC W/O AUTOMATIC END OF M M WINDOW ( ) DRIVER WINDOW DOOR (DDS) (DRIVER) ( ) ) (PASSENGER) ( ) ) (DRIVER) DSM DDM PWR MIR A BCM DIM RT STOP TRN CTSY COOLED S FROM B ( %%U%%U-L 1 OF 5) MEMORY REMOTE DOOR LOCK RECEIVER (RCDLR) DRIVER DOOR (DDS) OUTSIDE VIEW BODY (BCM)

Page 3 of 8 Fig 3: 6.0L VIN Y, Power Distribution Circuit (3 of 5) FROM LGM 1 OF 5) E ECM- BATT 13 TCM- BATT 15 EXP/ PTO 49 HDLP WASH 3 ESC/ALH EXH 3 BATT 40 TREC 69 ELEC BOARD 67 IPC 48 AMP 4 INFOTMNT 47 BLOCK SIDE (6-SPD) (4-SPD) J17 (MAN A/C) (AUTO A/C) AUDIO W/ AUDIO GPS & ENTER- TAINMENT ENTER- TAINMENT W/ ENGINE (ECM) TRANSMISSION EVAPORATIVE EMISSIONS (EVAP) (TCM) CANISTER VENT SOLENOID VALVE TAKE-OFF (PTO) TAKE-OFF (BLUNT CUT) TRANSFER TRANSFER CASE SHIFT CASE ENCODER MOTOR BODY INSTRUMENT PANEL CLUSTER (BCM) (IPC) AIR BAG BATT 46 FSCM ITBC 7 ABS-1 63 ABS 10 HEAVY DUTY ABS 61 WSW/HTR 68 BLWR 7 RDO 43 ( NO RADIO ENTER- TAINMENT W/ ENTER- TAINMENT GPS GPS W/ A1 FUEL BRAKE LER (FSCM) (TBCM) 7 ELECTRONIC BRAKE (EBCM) WINDSHIELD WASHER SOLVENT HEATER ( J04 8 1 AUDIO AMPLIFIER VIDEO DISPLAY VIDEO COMMUNICATION INTERFACE (VCIM) ( VEHICLE ROLLOVER SENSOR (ASF) SENSING & DIAGNOSTIC (SDM) PASSENGER PRESENCE (PPS) BLOWER MOTOR DIGITAL RADIO AUDIO (RSA) RECEIVER LER RADIO CHIME FAN-1 FAN LO FAN- FAN HI FRT WPR 37 WIPER WIPER SPEED STRTR FRT WASH HORN FUEL PUMP DEFOG A/C CMPRSR COOLING FAN () COOLING FAN ) WINDSHIELD WIPER MOTOR

Page 4 of 8 Fig 4: 6.0L VIN Y, Power Distribution Circuit (4 of 5) FROM LGM 1 OF 5) F MBEC 1 71 DLIS 36 A H TO /CRANK 5 OF 5) EAP 39 BLOCK SIDE YEL J1 IGNITION OFF START OFF START OFF START OFF START KEY-IN J13 5V BODY (BCM) THEFT DETERRENT IGN III PUSHBUTTON 4WD RANGE SELECTABLE PUSHBUTTON 4WD RANGE SELECTABLE DK BLU J07 (IN I/P HARNESS, 9CM FROM MAIN HARNESS BREAKOUT) J104 (6-SPEED) (4-SPEED) ( 4.3L) (4.3L) TRANSFER CASE SHIFT TRANSMISSION (TCM) ENGINE (ECM) DRIVER CIRCUIT BREAKER CB3 RT DOORS CIRCUIT BREAKER CB1 PASS 1 CIRCUIT BREAKER CB PWR WNDW CIRCUIT BREAKER CB4 PARK ENABLE ELECTRONIC ADJUSTABLE PEDALS ( 6-WAY 6-WAY AUTO AUTO J315 J336 (IN WINDOW HARNESS) M ELECTRONIC ADJUSTABLE PEDAL MEMORY ADJUSTER (DRIVER) WINDOW PASSENGER DOOR (PASSENGER) (PDS) LUMBAR WINDOW (PASSENGER) ADJUSTER ) (PASSENGER) SLIDING WNDOW OPEN SLIDING WNDOW CLOSE I/P MULTIFUNCTION

Page 5 of 8 Fig 5: 6.0L VIN Y, Power Distribution Circuit (5 of 5) FROM LGM 1 OF 5) FROM BCM %%UX4%%U-1 4 OF 5) G H 87 30 /CRANK BLOCK SIDE ECM-IGN 58 MISC IGN 44 SEO/ALC 56 AIRBAG IGN 41 AUX - IGN 50 - IGN 57 TAKE-OFF PROVISION (BLUNT CUT) J19 FUEL ENGINE (ECM) TRANSFER CASE SHIFT BRAKE LER (TBCM) SENSING & DIAGNOSTIC (SDM) ( I/P DISABLE ( STEERING HEATER W/ STEERING HEATER J0 HEATED ( STEERING 7.5A STEERING COIL FUEL PUMP (SECONDARY) (DUAL KS) STOP LAMP PASSENGER AIR BAG ON/ OFF INDICATOR INSIDE VIEW (ISRVM) INSTRUMENT PANEL CLUSTER (IPC) HEATED STEERING MODUEL AIR TEMPERATURE ) (AUTO A/C) AIR TEMPERATURE (MAN A/C) RECIRCULATION MODE AIR TEMPERATURE ) (AUTO A/C) PWR/TRN TRLR RT STOP/TURN BCK/UP LAMP TRANS IGN 1 0 TRLR LT STOP/TURN HDLP LO/ HID 4-SPEED A/T 6-SPEED A/T 4WD 4WD 4WD 4WD FOG LAMP DRL J130 (IN ENGINE HARNESS) HI BEAM PARK LAMP CHMSL ENG EXH VLV L/GATE WASH TRANSMISSION (TCM) AUTOMATIC TRANSMISSION FRONT AXLE TRANSMISSION (TCM) FRONT AXLE

Page 6 of 8 STARTING/CHARGING Fig 1: Charging Circuit, Diesel INSTRUMENT PANEL CLUSTER (IPC) LOGIC HOT AT ALL TIMES MEGA 175A MEGA 175A UNDERHOOD BLOCK ( SIDE OF ENGINE COMPT) CHARGE GEN SIG 8 38 CHG SIG 57 44 GRY BRN / ENGINE (ECM) ( FRONT OF ENGINE COMPT, NEAR FAN SHROUD) 3 5 501 J13 RIGHT GENERATOR GENERATOR 635

Page 7 of 8 Fig : Charging Circuit, Gasoline UNDERHOOD BLOCK ( SIDE OF ENGINE COMPT) HOT AT ALL TIMES IPC 48 INSTRUMENT PANEL CLUSTER (IPC) LOGIC CHARGE 1 W/O 4.3L W/ 4.3L B+ SNS GRD SNS SIG 5V 10 X4 10 9 8 X5 16 17 X3 BODY (BCM) BRN / 840 5077 5075 5076 401 BRN B SNS GRD C SNS SIG A 5V CURRENT SENSOR (W/ 1500) 1 GEN SIG CHG IND 3 43 61 8 7 31 43 44 ENGINE (ECM) ( FRONT OF ENGINE COMPT, NEAR FAN SHROUD) GRY BRN / 3 5 501 DISTRIBUTION GENERATOR 6353

Page 8 of 8 Fig 3: Starting Circuit UNDERHOOD BLOCK ( SIDE OF ENGINE COMPT) 85 HOT AT ALL TIMES 30 STRTR IGNITION OFF START (TOP OF ENGINE) 4 G107 (ON LOWER FRONT OF ENGINE) 3 G10 (ON FRONT OF RIGHT CYLINDER HEAD) G103 J105 86 87 STRTR 64 60 1 1 3 4 GASOLINE DIESEL W/O 4.3L W/ 4.3L STRT RLY 3 4 71 44 57 ENGINE (ECM) 5 8 7 3 43 44 YEL/ / 501 DISTRIBUTION 5V IGN III 4 16 17 X3 BODY (BCM) / 530 100 401 DISTRIBUTION DISTRIBUTION RIGHT STARTER M G101 (ON LOWER RIGHT RADIATOR SUPPORT) G103 (ON FRONT OF RIGHT CYLINDER HEAD) 6354